CN217045235U

CN217045235U - Pipe end cover plate welding clamp

Info

Publication number: CN217045235U
Application number: CN202220749371.XU
Authority: CN
Inventors: 夏炜; 夏如忠; 夏小丽; 钟杰
Original assignee: Jiaxing Yongfa Electronics Co ltd
Current assignee: Jiaxing Yongfa Electronics Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-26
Anticipated expiration: 2032-04-01

Abstract

The utility model belongs to the technical field of the pipe processing technique and specifically relates to a pipe end cover plate welding jig, including the frame, the same height in the frame is provided with two first cylinders, first cylinder sets up relatively, is provided with curved grip block on the telescopic link of first cylinder, is used for the fixed to the pipe after the grip block butt joint on two first cylinders, is provided with two second cylinders in the frame of first cylinder top, and two second cylinders set up relatively, be provided with the stopper of arc structure on the telescopic link of second cylinder, the vertical third cylinder that is provided with downwards in the frame of the pipe top that the grip block was held, be provided with the depression bar on the telescopic link of third cylinder, the depression bar is used for compressing tightly the end cover at the tip of pipe. The utility model provides a pipe terminal surface apron welding jig can effectively promote the butt joint precision to apron and pipe, realizes the continuity welding, and the welding precision is high, and automatic butt joint, and is efficient.

Description

Pipe end cover plate welding clamp

Technical Field

The utility model belongs to the technical field of the pipe processing technique and specifically relates to a pipe terminal surface apron welding jig.

Background

In the prior art, under the condition that the end face of a pipe needs to be welded by a cover plate, generally, an operator manually butt-joints the cover plate on the end part of the pipe, and then spot-welds a place by using a welding gun to fix the cover plate and the pipe, so that the pipe and the pipe are integrally welded. This operation results in a discontinuous weld between the end cap and the tube, which affects the overall sealing and welding accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technique not enough and provide a pipe terminal surface apron welding jig, can effectively realize the end cover at the fixed of pipe terminal surface to in promote welded precision and continuity.

The utility model discloses a pipe terminal surface apron welding jig, including the frame, the same height in the frame is provided with two first cylinders, first cylinder sets up relatively, is provided with curved grip block on the telescopic link of first cylinder, is used for the fixed to the pipe after the grip block butt joint on two first cylinders, is provided with two second cylinders in the frame of first cylinder top, and two second cylinders set up relatively, be provided with the stopper of arc structure on the telescopic link of second cylinder, the vertical third cylinder that is provided with downwards in the frame of the pipe top that the grip block was held, be provided with the depression bar on the telescopic link of third cylinder, the depression bar is used for compressing tightly the end cover at the tip of pipe.

In the above scheme, set up two first cylinders in the frame, utilize the arc grip block on the first cylinder will treat welded pipe centre gripping to fix between the grip block, then can place the apron on the terminal surface of pipe to the stopper that utilizes the second cylinder will apron and pipe dock mutually, compress tightly the apron by the depression bar on the third cylinder at top again the pipe on, then the second cylinder shrink, remove the stopper, expose end cover and pipe needs welded position outside, the welding of being convenient for need not spot welding fixed, promotes welded continuity and precision. The inner radian of the limiting blocks of the arc-shaped structure is consistent with the outer wall radian of the pipe, so that the cover plate can be aligned to the pipe when the two limiting blocks are butted, and the precision is high.

An arc-shaped guide piece is fixed on the telescopic rod of each first cylinder, a guide groove is formed in the inner wall of each arc-shaped guide piece, two arc-shaped guide grooves formed by butt joint of the two arc-shaped guide pieces form an annular groove, a sliding piece is arranged in each guide groove, and the clamping block is fixed on the sliding piece; the end part of the telescopic rod of the third cylinder is provided with a shaft sleeve, a bearing is arranged in the shaft sleeve, and the pressing rod is arranged in the bearing. The annular groove formed by the annular structure formed after the arc-shaped guide piece is butted and the guide groove formed on the arc-shaped guide piece is provided with the sliding piece in the annular groove, the clamping blocks are fixed on the sliding piece, so that the clamping blocks are fixed with the pipe through the two clamping blocks, the clamping blocks are fixed into a whole after being fixed, the clamping blocks can rotate in the annular groove, and therefore the pipe can be rotated in the welding process, and the welding convenience is improved. In addition, in the rotation process of the pipe, the compression rod and the end cover are in a compression state, so that the compression rod is connected with the end part of the telescopic rod of the third cylinder through the bearing, the compression rod can rotate freely, and the compression rod can rotate freely along with the pipe and the end cover. Of course, in order to improve the integrity of the two sliding parts, arc-shaped supporting parts can be arranged on two sides of the two sliding parts, and the arc-shaped supporting parts on the side edges of the two sliding parts are butted to form an annular structure, so that the relative positions of the two sliding parts in the annular groove are fixed, namely the two sliding parts can clamp the pipe more stably and reliably.

The upper end face and the lower end face of the guide groove are both arc-shaped concave structures, a steel ball is arranged in the guide groove, the sliding part is arranged on the steel ball, and the sliding part is in rolling connection with the steel ball. The upper end face and the lower end face of the guide groove are provided with arc-shaped concave structures, and the steel balls are arranged, so that the diameter of each steel ball is larger than the width of the opening of each arc-shaped groove and smaller than the width of the maximum position of each arc-shaped groove, and the steel balls can freely slide in the arc-shaped grooves and cannot fall out. The sliding part and the steel ball can be connected in a retainer mode, namely two circular rings smaller than the diameter of the steel ball are respectively arranged on the upper side and the lower side of the steel ball, the gap is controlled, the steel ball can be limited between the two circular rings, the steel ball and the sliding part can automatically rotate, and the stability and the firmness are high.

A connecting sleeve is sleeved on the telescopic rod of the third cylinder, a pressure spring is arranged in the connecting sleeve, the connecting sleeve is connected with the pressure spring in a sliding mode, and the shaft sleeve is fixed to the end portion of the connecting sleeve. The design of this structure, the cylinder pushes down the tip of in-process depression bar and laps the contact back, and the cylinder can compress the pressure spring, avoids directly acting on the end cover with the impact force and causes apron deformation etc. has greatly promoted the performance that compresses tightly.

The top of the pressure lever is provided with a supporting block which is made of high-temperature resistant rubber material. The supporting block has certain buffer force, and can reduce the impact on the cover plate.

The utility model provides a pipe terminal surface apron welding jig can effectively promote the butt joint precision to apron and pipe, realizes the continuity welding, and the welding precision is high, and automatic butt joint, and is efficient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Example 1:

as shown in fig. 1, the utility model discloses a pipe terminal surface apron welding jig, including frame 1, the same height in frame 1 is provided with two first cylinders 2, first cylinder 2 sets up relatively, is provided with curved grip block 5 on the telescopic link of first cylinder 2, is used for fixed to pipe 15 after the grip block 5 on two first cylinders 2 docks, is provided with two second cylinders 4 in the frame 1 of first cylinder 2 top, and two second cylinders 4 set up relatively, be provided with the stopper 6 of arc structure on the telescopic link of second cylinder 4, the vertical third cylinder 7 that is provided with downwards in frame 1 of pipe 15 top that grip block 5 was held, be provided with depression bar 17 on the telescopic link of third cylinder 7, depression bar 17 is used for compressing tightly the end cover at pipe 15's tip.

In the scheme, two first cylinders 2 are arranged on a frame 1, a pipe 15 to be welded is clamped between the clamping blocks 5 by the aid of the arc-shaped clamping blocks 5 on the first cylinders 2 to be fixed, then a cover plate 16 can be placed on the end face of the pipe 15, the cover plate 16 is butted with the pipe 15 by the aid of the limiting blocks 6 of the second cylinders 4, the cover plate 16 is pressed on the pipe 15 by the aid of the pressing rod 17 on the third cylinder 7 at the top, then the second cylinders 4 are contracted, the limiting blocks 6 are removed, and the parts, needing to be welded, of the end covers and the pipe 15 are exposed outside, so that welding is facilitated, spot welding is not needed to be fixed, and welding continuity and accuracy are improved. The inner radian of the limiting blocks 6 of the arc-shaped structure is consistent with the outer wall radian of the pipe 15, so that the cover plate 16 can be aligned with the pipe 15 when the two limiting blocks 6 are butted, and the precision is high.

An arc-shaped guide part 3 is fixed on the telescopic rod of each first cylinder 2, a guide groove 12 is formed in the inner wall of each arc-shaped guide part 3, two arc-shaped guide grooves 12 formed after the two arc-shaped guide parts 3 are butted form an annular groove, a sliding part 14 is arranged in each guide groove 12, and the clamping block 5 is fixed on the sliding part 14; a shaft sleeve 10 is arranged at the end part of the telescopic rod of the third air cylinder 7, a bearing 11 is arranged in the shaft sleeve 10, and the pressure rod 17 is arranged in the bearing 11. The annular groove that the guide way 12 formed on the annular structure and the arc guide 3 that form through arc guide 3 butt joint back to set up slider 14 in the annular groove, grip block 5 fixes on slider 14, so fix with pipe 15 through two grip blocks 5, become a whole after fixed, can be at the annular groove internal rotation, thereby realize can rotate pipe 15 among the welding process, in order to promote welded convenience. In addition, in the rotating process of the pipe 15, the pressing rod 17 and the end cover are in a pressing state, so the pressing rod 17 is connected with the end part of the telescopic rod of the third cylinder 7 through the bearing 11, and the pressing rod 17 can freely rotate and can freely rotate along with the pipe 15 and the end cover. Of course, in order to improve the integrity of the two sliding members 14, arc-shaped supporting members may be provided on both sides of the two sliding members 14, and the arc-shaped supporting members on the side edges of the two sliding members 14 are butted to form a ring structure, so that the relative positions of the two sliding members 14 in the annular groove are fixed, that is, the clamping of the two sliding members to the pipe 15 is more stable and reliable.

The upper end face and the lower end face of the guide groove 12 are both arc-shaped concave structures, a steel ball 13 is arranged in the guide groove 12, the sliding part 14 is arranged on the steel ball 13, and the sliding part 14 is in rolling connection with the steel ball 13. The upper and lower end surfaces of the guide groove 12 are provided with arc-shaped concave structures and steel balls 13, and the diameter of the steel ball 13 is selected to be larger than the width of the opening of the arc-shaped groove and smaller than the width of the maximum position of the arc-shaped groove, so as to ensure that the steel ball 13 can freely slide in the arc-shaped groove and cannot fall out. The sliding part 14 and the steel ball 13 can be connected in a retainer mode, namely two circular rings with the diameter smaller than that of the steel ball 13 are respectively arranged at the upper side and the lower side of the steel ball 13, and the gap is controlled, so that the steel ball 13 can be limited between the two circular rings, the steel ball 13 and the sliding part 14 can automatically rotate, and the stability and the firmness are high.

A connecting sleeve 8 is sleeved on the telescopic rod of the third air cylinder 7, a pressure spring 9 is arranged inside the connecting sleeve 8, the connecting sleeve 8 is in sliding connection with the pressure spring 9, and a shaft sleeve 10 is fixed at the end part of the connecting sleeve 8. The design of this structure, after the cylinder pushed down the in-process depression bar 17's tip and apron 16 contact, the cylinder can compress pressure spring 9, avoids directly acting on the end cover with the impact force and causes apron 16 to warp etc. has greatly promoted the performance that compresses tightly.

A supporting block 18 is arranged at the top of the pressure rod 17, and the supporting block 18 is made of high-temperature resistant rubber material. The supporting blocks 18 have a certain buffering force to reduce the impact on the cover plate 16.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or may be in the interactive relationship of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a pipe terminal surface apron welding jig, characterized by: including the frame, the same height in the frame is provided with two first cylinders, first cylinder sets up relatively, is provided with curved grip block on the telescopic link of first cylinder, is used for the fixed to the pipe after the grip block butt joint on two first cylinders, is provided with two second cylinders in the frame of first cylinder top, and two second cylinders set up relatively, be provided with the stopper of arc structure on the telescopic link of second cylinder, vertically be provided with the third cylinder downwards in the frame of the pipe top that the grip block was held, be provided with the depression bar on the telescopic link of third cylinder, the depression bar is used for compressing tightly the end cover at the tip of pipe.

2. The pipe end face cover plate welding fixture as claimed in claim 1, wherein: an arc-shaped guide piece is fixed on the telescopic rod of each first cylinder, a guide groove is formed in the inner wall of each arc-shaped guide piece, two arc-shaped guide grooves formed by butt joint of the two arc-shaped guide pieces form an annular groove, a sliding piece is arranged in each guide groove, and the clamping block is fixed on the sliding piece; the end part of the telescopic rod of the third cylinder is provided with a shaft sleeve, a bearing is arranged in the shaft sleeve, and the pressing rod is arranged in the bearing.

3. The pipe end face cover plate welding jig of claim 2, characterized by: the upper end face and the lower end face of each guide groove are of arc-shaped concave structures, steel balls are arranged in the guide grooves, the sliding parts are arranged on the steel balls, and the sliding parts are in rolling connection with the steel balls.

4. The pipe end face cover plate welding jig according to claim 2 or 3, characterized in that: a connecting sleeve is sleeved on the telescopic rod of the third air cylinder, a pressure spring is arranged in the connecting sleeve, the connecting sleeve is connected with the pressure spring in a sliding mode, and the shaft sleeve is fixed at the end portion of the connecting sleeve.

5. The pipe end face cover plate welding fixture as claimed in claim 4, wherein: the top of the pressure lever is provided with a supporting block which is made of high-temperature resistant rubber material.